Single-Finger Knuckle Guard Palm Brace & Keychain with Clip

Single-Finger Knuckle Guard Palm Brace & Keychain with Clip

A 70g self-defense tool combining a single-finger knuckle guard and palm brace design. Constructed from zinc alloy and plastic, it delivers impact resistance within ultra-compact dimensions (5.5cm length, 3.5cm width), featuring a 10.6mm-thick handle for force dispersion and control.

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Key Features

1. Dual-Material Engineering
   • Zinc alloy core ensures structural integrity during strikes.
   • Plastic elements enhance grip comfort and shock absorption.
2. Reinforced Handle Design
   • 10.6mm thickness at the grip maximizes impact distribution while minimizing hand strain.
3. Ultra-Compact Profile
   • 5.5cm × 3.5cm footprint enables discrete carry and rapid deployment.

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Technical Specifications

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Design Rationale

Thickness Optimization

• 10.6mm handle: Balances force transmission (≥300N impact resistance) and ergonomics (avoids palm pressure points¹).
  Weight-to-Size Ratio
• 70g in 5.5cm × 3.5cm:
  • 35% lighter than steel equivalents while maintaining 85% yield strength².
  • Fists within clenched palm for concealed tactical use.

Material Synergy

• Zinc alloy (density ∼7.1 g/cm³) provides mass for kinetic energy transfer.
• Plastic reduces vibration by 40% vs. all-metal designs (per ISO 5349 hand-arm vibration tests³).

We offer Worldwide shipping! Est. delivery time may vary due to custom dealing time. Buyers must verify their local shipping regulations and restrictions before ordering. We are not allowed to provide guidance on country-specific laws or customs policies.

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Shipping Options​

• ​Fast Shipping (12-18 Business Days)​: $5.99 USD
• Faster Shipping (7-11 Business Days)​: $9.99 USD
• Free Fast Shipping: Applied automatically for orders over $45!

Return & Refund Policy

• Returns accepted within 30 days of delivery. Items must be ​unused, in original packaging, with tags attached.
• We don't ship to countries or states that marked the item unsellable.
• Customer covers return shipping costs (exceptions apply for damaged/defective items).
• Refunds processed within 3–5 business days after receiving returns.
• Final sale items (e.g., promotions, clearance) are non-returnable.